Specifications: Switch multiple HDMI-compatible signals to a high-definition display device such as HDTV with a manual button, optimized home theater system by avoiding frequent unplugging of cable plugs and cables. For digital HDTV, plasma display, LCD, set-top box, DVD player, Blu-ray player, digital camera, audio / video receiver, home video, video projector. Support 4K * 2K, 3840 * 2160P. Multiple function switch, smart or mechanical.   Type: HDMI-compatible Switcher Material: Plastic Input Video Signal: 0.5-1.0 volts p-p Input DDC Signal: 5 volt p-p (TTL) Video Output Signal: HDMI-compatible1.4b + HDCP1.0 / 1.1 VGA: 640 x 480, 800 x 600, 1024 x 768, 1920 x 1200 DTV / HDTV: 480i / 576i / 480P / 576P / 720P / 1080i / 1080P HDMI-compatible: HDMI-compatible 1.4 Frequency: Up to 250MHz Field Frequency: 60Hz Bandwidth: 2.5Gpbs / 250MHz HDTV: Support Interlaced (50 & 60Hz): 480i, 576i, 1080i Progressive Scan (50 & 60Hz): 480P, 576P, 720P, 1080P Features: Signal Amplification, Image Transformation and Image Selection, Compatible with HDCP Devices Size: 8.5cm x 6cm x 2cm(Approx.)   Notes: The IR remote is powered by a lithium battery (CR2025) but is not included. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Include: 1 x HDMI-compatible Switcher 1 x Remote Control 1 x Infrared Cable